Fix long idenitfier

Author: anju15bharti

src/backend/catalog/genbki.pl

@@ -68,6 +68,7 @@
     PROCNAMENSPSIGNATURE
     SYSNAMESPACENAME
     AUTHIDUSEREXTROLENAME
+    IDENTMAPPINGNAME
 );
 
 foreach my $header (@ARGV)

src/backend/rewrite/rewriteDefine.c

@@ -27,6 +27,7 @@
 #include "nodes/nodeFuncs.h"
 #include "parser/parse_utilcmd.h"
 #include "rewrite/rewriteDefine.h"
+#include "parser/parser.h"
 #include "rewrite/rewriteManip.h"
 #include "rewrite/rewriteSupport.h"
 #include "utils/acl.h"
@@ -562,7 +563,11 @@ checkRuleResultList(List *targetList, TupleDesc resultDesc, bool isSelect,
 					 errmsg("cannot create a RETURNING list for a relation containing dropped columns")));
 
 		/* Check name match if required; no need for two error texts here */
-		if (requireColumnNameMatch && strcmp(tle->resname, attname) != 0)
+		if (requireColumnNameMatch && strcmp(tle->resname, attname) != 0 &&
+			!(sql_dialect == SQL_DIALECT_TSQL &&
+			  strlen(tle->resname) > strlen(attname) &&
+			  strlen(attname) >= pg_mbcliplen(tle->resname, strlen(tle->resname), NAMEDATALEN - 1) &&
+			  strncmp(tle->resname, attname, strlen(attname)) == 0))
 			ereport(ERROR,
 					(errcode(ERRCODE_INVALID_OBJECT_DEFINITION),
 					 errmsg("SELECT rule's target entry %d has different column name from column \"%s\"",